Home / 1,616,205.75-2,424,320.78-717,405.87

Finding the Fourth Proportional to 1,616,205.75, 2,424,320.78 and 717,405.87

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Solution

The fourth proportional to 1,616,205.75, 2,424,320.78 and 717,405.87 is: 1,076,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,205.75 : 2,424,320.78 = 717,405.87 : x
  2. Step 2: Convert to fraction form
    1,616,205.75/2,424,320.78 = 717,405.87/x
  3. Step 3: Cross multiply
    1,616,205.75x = 2,424,320.78 × 717,405.87
  4. Step 4: Simplify right side
    1,616,205.75x = 1,739,221,954,747.95
  5. Step 5: Solve for x
    x = 1,739,221,954,747.95/1,616,205.75
  6. Step 6: Final answer
    x = 1,076,114.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.